This is one of my favorite Christmas cards. Of course, it can be a winter or general holiday card too. The basic structure is a shadowbox which, for this project, has been put inside a card. The Shadowbox can also be a card on its own. (See the Project for the Medium Star Shadowbox Card.) You can put any of the small or medium sliceform models in a shadowbox! Shadowboxes will collapse for mailing, and stand up for a lovely display when received.